diff options
Diffstat (limited to 'src/glsl/glsl_parser_extras.cpp')
| -rw-r--r-- | src/glsl/glsl_parser_extras.cpp | 39 |
1 files changed, 37 insertions, 2 deletions
diff --git a/src/glsl/glsl_parser_extras.cpp b/src/glsl/glsl_parser_extras.cpp index 5412f0b7887..3bb5c4db2f7 100644 --- a/src/glsl/glsl_parser_extras.cpp +++ b/src/glsl/glsl_parser_extras.cpp @@ -145,6 +145,9 @@ _mesa_glsl_parse_state::_mesa_glsl_parse_state(struct gl_context *_ctx, /* ARB_viewport_array */ this->Const.MaxViewports = ctx->Const.MaxViewports; + /* tessellation shader constants */ + this->Const.MaxPatchVertices = ctx->Const.MaxPatchVertices; + this->current_function = NULL; this->toplevel_ir = NULL; this->found_return = false; @@ -224,6 +227,7 @@ _mesa_glsl_parse_state::_mesa_glsl_parse_state(struct gl_context *_ctx, this->fs_redeclares_gl_fragcoord_with_no_layout_qualifiers = false; this->gs_input_prim_type_specified = false; + this->tcs_output_vertices_specified = false; this->gs_input_size = 0; this->in_qualifier = new(this) ast_type_qualifier(); this->out_qualifier = new(this) ast_type_qualifier(); @@ -389,6 +393,8 @@ _mesa_shader_stage_to_string(unsigned stage) case MESA_SHADER_FRAGMENT: return "fragment"; case MESA_SHADER_GEOMETRY: return "geometry"; case MESA_SHADER_COMPUTE: return "compute"; + case MESA_SHADER_TESS_CTRL: return "tess ctrl"; + case MESA_SHADER_TESS_EVAL: return "tess eval"; } unreachable("Unknown shader stage."); @@ -406,6 +412,8 @@ _mesa_shader_stage_to_abbrev(unsigned stage) case MESA_SHADER_FRAGMENT: return "FS"; case MESA_SHADER_GEOMETRY: return "GS"; case MESA_SHADER_COMPUTE: return "CS"; + case MESA_SHADER_TESS_CTRL: return "TCS"; + case MESA_SHADER_TESS_EVAL: return "TES"; } unreachable("Unknown shader stage."); @@ -574,6 +582,7 @@ static const _mesa_glsl_extension _mesa_glsl_supported_extensions[] = { EXT(ARB_shader_texture_lod, true, false, ARB_shader_texture_lod), EXT(ARB_shading_language_420pack, true, false, ARB_shading_language_420pack), EXT(ARB_shading_language_packing, true, false, ARB_shading_language_packing), + EXT(ARB_tessellation_shader, true, false, ARB_tessellation_shader), EXT(ARB_texture_cube_map_array, true, false, ARB_texture_cube_map_array), EXT(ARB_texture_gather, true, false, ARB_texture_gather), EXT(ARB_texture_multisample, true, false, ARB_texture_multisample), @@ -1420,8 +1429,12 @@ static void set_shader_inout_layout(struct gl_shader *shader, struct _mesa_glsl_parse_state *state) { - if (shader->Stage != MESA_SHADER_GEOMETRY) { - /* Should have been prevented by the parser. */ + /* Should have been prevented by the parser. */ + if (shader->Stage == MESA_SHADER_TESS_CTRL) { + assert(!state->in_qualifier->flags.i); + } else if (shader->Stage == MESA_SHADER_TESS_EVAL) { + assert(!state->out_qualifier->flags.i); + } else if (shader->Stage != MESA_SHADER_GEOMETRY) { assert(!state->in_qualifier->flags.i); assert(!state->out_qualifier->flags.i); } @@ -1441,6 +1454,28 @@ set_shader_inout_layout(struct gl_shader *shader, } switch (shader->Stage) { + case MESA_SHADER_TESS_CTRL: + shader->TessCtrl.VerticesOut = 0; + if (state->tcs_output_vertices_specified) + shader->TessCtrl.VerticesOut = state->out_qualifier->vertices; + break; + case MESA_SHADER_TESS_EVAL: + shader->TessEval.PrimitiveMode = PRIM_UNKNOWN; + if (state->in_qualifier->flags.q.prim_type) + shader->TessEval.PrimitiveMode = state->in_qualifier->prim_type; + + shader->TessEval.Spacing = 0; + if (state->in_qualifier->flags.q.vertex_spacing) + shader->TessEval.Spacing = state->in_qualifier->vertex_spacing; + + shader->TessEval.VertexOrder = 0; + if (state->in_qualifier->flags.q.ordering) + shader->TessEval.VertexOrder = state->in_qualifier->ordering; + + shader->TessEval.PointMode = -1; + if (state->in_qualifier->flags.q.point_mode) + shader->TessEval.PointMode = state->in_qualifier->point_mode; + break; case MESA_SHADER_GEOMETRY: shader->Geom.VerticesOut = 0; if (state->out_qualifier->flags.q.max_vertices) |